《桃花源記》中的曆史密碼

桃花Here, we present some of the most striking images around the world this past week

源記Chinese and Pakistani air force personnel sit in a Pakistani fighter after a joint drill in China, Sept 14, 2017曆史The Chinese and Pakistani air forces have cooperated in planning and implementing strategies, as well as learning operational concepts and tactics from each other through sitting in the same fighter during the ongoing joint drills named "Shaheen VI" from Sept 7 to 27

密碼I think China should attract even more foreigners, because from my own experience, having a look at the real China, not just the view from overseas, makes a big difference桃花"He wanted to go to the inland provinces, and he had some knowledge of Anhui, so he chose Hefei as his destination," Cho said源記It was the first primary school in the country to do so曆史It also extends to boosting Sino-South Korean economic ties and helping the province's poverty-stricken areas密碼We didn't expect that we would come to love the country as much as we do," said Cho, who speaks fluent Mandarin

桃花Over the last 21 years, South Korean teacher Cho Sung-hye has contributed much to the friendship between the people of her country and China源記"China is developing very fast and will play more important roles in the world曆史Tsien (1952-2016) got his Clarivate citation prize of chemistry in 2008, before he co-won the Nobel honor in chemistry at the same year, with Osamu Shimomura and Martin Chalfie, for the discovery and development of the green fluorescent protein (GFP)

密碼Professor Chang is a Co-Director of the Tumor Virology Laboratory at the University of Pittsburgh Cancer Institute桃花In the last 15 years, 43 Citation Laureates have gone on to receive Nobel honors, so the prize has been seen as an indicator of the Nobel prizes, introduced in memory of Swedish chemist Alfred Nobel (1833-1896)源記Each year, analysts at Clarivate Analytics mine millions of citations in the Web of Science, an online subscription-based scientific citation indexing service, to identify top-tier researchers in physiology or medicine, physics, chemistry and economics曆史Kaposi's sarcoma-associated herpesvirus is the infectious cause of this neoplasm

Here, we present some of the most striking images around the world this past weekChildren cool off themselves at a wading pool in Toronto, Canada, on Sept 24, 2017

The vice-premier said China is willing to work with the US to prepare for President Trump's visit to China to ensure it is a great successVisiting Vice-Premier Liu Yandong, right, speaks with Jared Kushner, senior White House adviser, center, and Ivanka Trump, left, daughter of US President Donald Trump also serving as an adviser, in Washington DC, on Sept 27, 2017Liu addressed a reception celebrating the 68th anniversary of the founding of the People's Republic of China at the Chinese embassy on WednesdayThe training course on the Chinese lion dance is part of the 2017 China Africa Cultures in Focus, an activity held by the Bureau for External Cultural Relations of Chinese Ministry of Culture to strengthen the cultural communication between China and African countries

They kept practicing from morning until night, trying to master the basic skills of lion dance, routines and instrumental music within a short periodThe cultural center of the Jinpu New Area also arranged some courses for them to know about other traditional Chinese culture such as Chinese calligraphy, seal cutting, folk dance, paper-cutting, and potteryThe cultural center of the Jinpu New Area has undertaken the course for three consecutive years since 2015During the 35-day training course, they learned from Li Mingxu, the fifth generation successor of the Jinzhou Lion Dance, a provincial intangible cultural heritage that has been passed from generation to generation for more than a century

Ten students from Nigeria and Zambia learned how to perform Chinese lion dance at the Jinpu New Area in Dalian, Northeast China's Liaoning provinceThese changes may look pleasant, but not quite so to Derek Hyra, an associate professor at the American University School of Public Affairs and an expert on neighborhood change

Chen Weihua/China DailyHaving lived in Washington DC for almost five years, I have seen the city growing, with new construction and renovation projects happening in many streets and neighborhoodsHyra described how the "dark ghetto" has been turned into a "gilded ghetto"

To Hyra, it has caused not just residential displacement for African Americans but also political and cultural displacementHis book this year, Race, Class, and Politics in the Cappuccino City, is the result of his many years of field research on the issuesWhites are the majority now, accounting for 55 percent of the communityThe 14th Street near U Street, a traditional African American neighborhood, is now lined up with hip restaurants and bars in this photo taken on SundayThe area, a 90 percent black neighborhood just a few decades ago, was only 30 percent African American by 2010Hyra described the massive transformation in the U Street/Shaw area, where the city's once most infamous open-air drug market has become a farmers' market now selling grass-fed beef and homemade duck egg ravioli

The Wharf residential and business project I visited recently is probably one of the biggestThe same urban renewal is happening in other parts of Washington

The U Street/Shaw and 14th Street area has fast been turned into an upscale neighborhood in recent years, with many new restaurants and shops opening and new apartment constructionOnly a short walk from the National Mall, it looks like a good place to live, work and hang out

The area has seen a sharp increase in the white population and skyrocketing property prices, a sign of gentrification in the Washington DCHe saw major issues of gentrification and segregation in Washington beneath the surface of rapid urban renewal

Located in southwest Washington along the waterfront next to the famed Maine Avenue Fish Market, its first phase will open on Oct 12"An effort to reduce sugary drink intake of teenagers is urgently needed," Liang Xiaofeng, deputy director of the Chinese Center for Disease Control and Prevention, saidAccording to the US Department of Agriculture, global production of sugar is up 9 million tons to a record of 180 million metrics tons a year and consumption hovers at the 172 million metric ton level, also a record high levelThe American Heart Association (AHA) recommends that people should drink no more than three cans of soda (about 450 calories) a week, but men drink 175 and women 94 calories a day

One sign says you're looking at 45,485 pounds of added sugar - the amount that Kind says children in the United States consume every five minutesAs early as 2006 the Centers for Disease Control and Prevention (CDC) identified sugar drinks as one of the main culprits in rising obesity rates

The numbers are spun out by Kind from there: children consume 13"In addition, I have found that sugar imports are increasing

Until the 18th century, when the technology for extracting sugar from cane was developed, and 19th century, when we learned how to get it from beets, sugar was only available when the fruit ripened or the bees got busyAbout 12 percent of children aged 7 to 18 in the survey were overweight

Judy Zhu / China DailyA 24-foot-tall pyramid of boxes marked "sugar" in the middle of Times Square makes a point that's kind of hard to ignoreThe world does consume too much "added sugar" - a term the USDA began using in 2000 to help people spot processed foods that have added energy with no added nutrition"Every country that has adopted the Western diet, one dominated by low-cost, highly processed food, has witnessed rising rates of obesity and related diseases," the journal Nature commented recentlyHigh fructose corn syrup, raw, brown and white sugar, honey, maple syrup, molasses make up about 16 percent of the calories Americans consume and have zero nutritional value

As the researchers in Nature put it: "In recent years, sugar has been added to virtually every processed food, limiting consumer choice5 million children in the US are obese, the CDC says, blaming snacks and foods high in sugar and salt

For children aged four to eight, the AHA suggests no more than three teaspoons of sugar a day, about 130 calories of a 1,600-calorie diet1 million pounds of added sugar a day - enough to fill 273 yellow school buses

A can of soda has the equivalent of seven to 12 teaspoons of sugar"A report from a survey of 14 provinces in China found that the daily intake of sugars for Chinese people was lower than the level recommended by the World Health Organization, but for children between the ages of 3 and 17 it was much higher because of the growing popularity of sugary drinks, China Daily reported in May

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